trematode vs fluke

trematode and fluke both are nouns.

Word	Noun	Adjective	Verb	Adverb
trematode	Yes	No	No	No
fluke	Yes	No	No	No

As nouns, trematode and fluke are synonyms defined as:

trematode and fluke: parasitic flatworms having external suckers for attaching to a host

Other synonyms of trematode include trematode worm.

trematode (noun)	fluke (noun)
parasitic flatworms having external suckers for attaching to a host	parasitic flatworms having external suckers for attaching to a host
	either of the two lobes of the tail of a cetacean
	flat bladelike projection on the arm of an anchor
	a barb on a harpoon or arrow
	a stroke of luck